<script setup lang="ts">
import ServicePanel from './components/ServicePanel.vue'
import AddressPanel from './components/AddressPanel.vue'

import { getGoodsDetailsAPI } from '@/services/goods'
import type { GoodsResult } from '@/types/goods'
import { onLoad } from '@dcloudio/uni-app'
import { ref } from 'vue'
import type {
  SkuPopupEvent,
  SkuPopupInstance,
  SkuPopupLocaldata,
} from '@/types/vk-data-goods-sku-popup'
import { computed } from 'vue'
import { postMemberCartAPI } from '@/services/cart'
import { useSkeleton } from '@/composables'
import GoodsSkeleton from './components/GoodsSkeleton.vue'

// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getSystemInfoSync()
// 当前轮播图索引
const activeIndex = ref<number>(1)
// 商品id
const goodsId = ref<string>('')
// 商品详情
const goodsDetails = ref<GoodsResult>()
// uni-popup 组件ref
const popup = ref<UniHelper.UniPopup>()
// 操作面板弹出层名称
const popupName = ref<'service' | 'address'>()
// 是否显示SKU组件
const isShowSku = ref<boolean>(false)
// 商品信息
const localdata = ref({} as SkuPopupLocaldata)
// SKU按钮模式
enum SkuMode {
  Both = 1, // 同时显示加入购物车和购买按钮
  Cart = 2, // 只显示加入购物车按钮
  Buy = 3, // 只显示购买按钮
}
const mode = ref<SkuMode>(SkuMode.Cart)

// 打开SKU弹窗并修改按钮模式
const openSkuPopup = (newMode: SkuMode) => {
  // 显示SKU弹窗
  isShowSku.value = true
  // 修改按钮模式
  mode.value = newMode
}

// SKU组件实例
const skuPopupRef = ref<SkuPopupInstance>()
// 计算被选择的值
const selectArrText = computed(() => {
  return skuPopupRef.value?.selectArr?.join('').trim() || '请选择商品规格'
})

// 打开操作面板弹出层
const openPopup = (name: typeof popupName.value) => {
  popupName.value = name
  popup.value?.open()
}

// 获取商品详情数据
const getGoodsDetails = async () => {
  const res = await getGoodsDetailsAPI(goodsId.value)
  goodsDetails.value = res.result
  console.log(res.result)
  // 设置sku组件数据
  localdata.value = {
    _id: res.result.id,
    name: res.result.name,
    goods_thumb: res.result.mainPictures[0],
    spec_list: res.result.specs.map((item) => ({
      name: item.name,
      list: item.values,
    })),
    sku_list: res.result.skus.map((item) => ({
      _id: item.id,
      goods_id: res.result.id,
      goods_name: res.result.name,
      image: item.picture,
      price: item.price * 100,
      stock: item.inventory,
      sku_name_arr: item.specs.map((item2) => item2.valueName),
    })),
  }
}

// 加入购物车
const onAddCart = async (e: SkuPopupEvent) => {
  // 添加购物车请求
  await postMemberCartAPI({ skuId: e._id, count: e.buy_num })
  // 成功提示
  uni.showToast({
    title: '添加成功',
    icon: 'success',
  })
  // 关闭SKU弹窗
  isShowSku.value = false
}

// 立即购买
const onBuyNow = (e: SkuPopupEvent) => {
  uni.navigateTo({
    url: `/pages-order/create/create?skuId=${e._id}&count=${e.buy_num}`,
  })
}
// 轮播图切换监听
const onSwiperChange: UniHelper.SwiperOnChange = (e) => {
  activeIndex.value = e.detail.current + 1
}

// 点击图片查看大图
const onTapImage = (url: string) => {
  uni.previewImage({
    current: url,
    urls: goodsDetails.value!.mainPictures,
  })
}

// 骨架屏显示和隐藏
const { isShowSkeleton, skeletonController } = useSkeleton()

onLoad((options) => {
  goodsId.value = options!.id
  skeletonController(async () => {
    await getGoodsDetails()
  })
})

// 去登录
const onLogin = () => {
  uni.navigateTo({
    url: '/pages/login/login',
  })
}
</script>

<template>
  <GoodsSkeleton v-if="isShowSkeleton"></GoodsSkeleton>
  <template v-else>
    <scroll-view scroll-y class="viewport">
      <!-- 基本信息 -->
      <view class="goods">
        <!-- 商品主图 -->
        <view class="preview">
          <swiper circular @change="onSwiperChange">
            <swiper-item v-for="item in goodsDetails?.mainPictures" :key="item">
              <image mode="aspectFill" :src="item" @tap="onTapImage(item)" />
            </swiper-item>
          </swiper>
          <view class="indicator">
            <text class="current">{{ activeIndex }}</text>
            <text class="split">/</text>
            <text class="total">5</text>
          </view>
        </view>

        <!-- 商品简介 -->
        <view class="meta">
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{ goodsDetails?.price }}</text>
          </view>
          <view class="name ellipsis"> {{ goodsDetails?.name }} </view>
          <view class="desc"> {{ goodsDetails?.desc }} </view>
        </view>

        <!-- 操作面板 -->
        <view class="action">
          <view class="item arrow" @tap="openSkuPopup(SkuMode.Both)">
            <text class="label">选择</text>
            <text class="text ellipsis"> {{ selectArrText }} </text>
          </view>
          <view class="item arrow" @tap="openPopup('address')">
            <text class="label">送至</text>
            <text class="text ellipsis"> 请选择收获地址 </text>
          </view>
          <view class="item arrow" @tap="openPopup('service')">
            <text class="label">服务</text>
            <text class="text ellipsis"> 无忧退 快速退款 免费包邮 </text>
          </view>
        </view>
      </view>

      <!-- 商品详情 -->
      <view class="detail panel">
        <view class="title">
          <text>详情</text>
        </view>
        <view class="content">
          <view class="properties">
            <!-- 属性详情 -->
            <view class="item" v-for="item in goodsDetails?.details.properties" :key="item.name">
              <text class="label">{{ item.name }}</text>
              <text class="value">{{ item.value }}</text>
            </view>
          </view>
          <!-- 图片详情 -->
          <view class="details-images">
            <image
              v-for="img in goodsDetails?.details.pictures"
              :key="img"
              mode="widthFix"
              :src="img"
            ></image>
          </view>
        </view>
      </view>

      <!-- 同类推荐 -->
      <view class="similar panel">
        <view class="title">
          <text>同类推荐</text>
        </view>
        <view class="content">
          <navigator
            v-for="goods in goodsDetails?.similarProducts"
            :key="goods.id"
            class="goods"
            hover-class="none"
            :url="`/pages/goods/goods?id=${goods.id}`"
          >
            <image class="image" mode="aspectFill" :src="goods.picture"></image>
            <view class="name ellipsis">{{ goods.name }}</view>
            <view class="price">
              <text class="symbol">¥</text>
              <text class="number">{{ goods.price }}</text>
            </view>
          </navigator>
        </view>
      </view>
    </scroll-view>

    <!-- 用户操作 -->
    <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
      <view class="icons">
        <button class="icons-button"><text class="icon-heart"></text>收藏</button>
        <button class="icons-button" open-type="contact">
          <text class="icon-handset"></text>客服
        </button>
        <navigator class="icons-button" url="/pages/cart/cart2">
          <text class="icon-cart"></text>购物车
        </navigator>
      </view>
      <view class="buttons">
        <view class="addcart" @tap="openSkuPopup(SkuMode.Cart)"> 加入购物车 </view>
        <view class="buynow" @tap="openSkuPopup(SkuMode.Buy)"> 立即购买 </view>
      </view>
    </view>

    <!-- uin-popup 弹出层 -->
    <uni-popup ref="popup" type="bottom" background-color="#fff">
      <AddressPanel v-if="popupName === 'address'" @close="popup?.close()" />
      <ServicePanel v-if="popupName === 'service'" @close="popup?.close()" />
    </uni-popup>

    <!-- SKU弹窗组件 -->
    <vk-data-goods-sku-popup
      ref="skuPopupRef"
      v-model="isShowSku"
      :localdata="localdata"
      :mode="mode"
      add-cart-background-color="#ffa868"
      buy-now-background-color="#27ba9b"
      :active-style="{
        color: '#27ba9b',
        borderColor: '#27ba9b',
        backgroundColor: '#e9f8f5',
      }"
      @add-cart="onAddCart"
      @buy-now="onBuyNow"
    />
  </template>
</template>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewport {
  background-color: #f4f4f4;
}

.panel {
  margin-top: 20rpx;
  background-color: #fff;
  .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90rpx;
    line-height: 1;
    padding: 30rpx 60rpx 30rpx 6rpx;
    position: relative;
    text {
      padding-left: 10rpx;
      font-size: 28rpx;
      color: #333;
      font-weight: 600;
      border-left: 4rpx solid #27ba9b;
    }
    navigator {
      font-size: 24rpx;
      color: #666;
    }
  }
}

.arrow {
  &::after {
    position: absolute;
    top: 50%;
    right: 30rpx;
    content: '\e6c2';
    color: #ccc;
    font-family: 'erabbit' !important;
    font-size: 32rpx;
    transform: translateY(-50%);
  }
}

/* 商品信息 */
.goods {
  background-color: #fff;
  .preview {
    height: 750rpx;
    position: relative;
    .image {
      width: 750rpx;
      height: 750rpx;
    }
    .indicator {
      height: 40rpx;
      padding: 0 24rpx;
      line-height: 40rpx;
      border-radius: 30rpx;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      background-color: rgba(0, 0, 0, 0.3);
      position: absolute;
      bottom: 30rpx;
      right: 30rpx;
      .current {
        font-size: 26rpx;
      }
      .split {
        font-size: 24rpx;
        margin: 0 1rpx 0 2rpx;
      }
      .total {
        font-size: 24rpx;
      }
    }
  }
  .meta {
    position: relative;
    border-bottom: 1rpx solid #eaeaea;
    .price {
      height: 130rpx;
      padding: 25rpx 30rpx 0;
      color: #fff;
      font-size: 34rpx;
      box-sizing: border-box;
      background-color: #35c8a9;
    }
    .number {
      font-size: 56rpx;
    }
    .brand {
      width: 160rpx;
      height: 80rpx;
      overflow: hidden;
      position: absolute;
      top: 26rpx;
      right: 30rpx;
    }
    .name {
      max-height: 88rpx;
      line-height: 1.4;
      margin: 20rpx;
      font-size: 32rpx;
      color: #333;
    }
    .desc {
      line-height: 1;
      padding: 0 20rpx 30rpx;
      font-size: 24rpx;
      color: #cf4444;
    }
  }
  .action {
    padding-left: 20rpx;
    .item {
      height: 90rpx;
      padding-right: 60rpx;
      border-bottom: 1rpx solid #eaeaea;
      font-size: 26rpx;
      color: #333;
      position: relative;
      display: flex;
      align-items: center;
      &:last-child {
        border-bottom: 0 none;
      }
    }
    .label {
      width: 60rpx;
      color: #898b94;
      margin: 0 16rpx 0 10rpx;
    }
    .text {
      flex: 1;
      -webkit-line-clamp: 1;
      line-clamp: 1;
    }
  }
}

/* 商品详情 */
.detail {
  padding-left: 20rpx;
  .content {
    margin-left: -20rpx;
    .image {
      width: 100%;
    }
  }
  .properties {
    padding: 0 20rpx;
    margin-bottom: 30rpx;
    .item {
      display: flex;
      line-height: 2;
      padding: 10rpx;
      font-size: 26rpx;
      color: #333;
      border-bottom: 1rpx dashed #ccc;
    }
    .label {
      width: 200rpx;
    }
    .value {
      flex: 1;
    }
  }
  .details-images {
    line-height: 0;
    image {
      display: block;
    }
  }
}

/* 同类推荐 */
.similar {
  .content {
    padding: 0 20rpx 200rpx;
    background-color: #f4f4f4;
    display: flex;
    flex-wrap: wrap;
    .goods {
      width: 340rpx;
      padding: 24rpx 20rpx 20rpx;
      margin: 20rpx 7rpx;
      border-radius: 10rpx;
      background-color: #fff;
    }
    .image {
      width: 300rpx;
      height: 260rpx;
    }
    .name {
      height: 80rpx;
      margin: 10rpx 0;
      font-size: 26rpx;
      color: #262626;
    }
    .price {
      line-height: 1;
      font-size: 20rpx;
      color: #cf4444;
    }
    .number {
      font-size: 26rpx;
      margin-left: 2rpx;
    }
  }
  navigator {
    &:nth-child(even) {
      margin-right: 0;
    }
  }
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx var(--window-bottom);
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;
  .buttons {
    display: flex;
    & > view {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
    }
    .addcart {
      background-color: #ffa868;
    }
    .buynow,
    .payment {
      background-color: #27ba9b;
      margin-left: 20rpx;
    }
  }
  .icons {
    padding-right: 10rpx;
    display: flex;
    align-items: center;
    flex: 1;
    .icons-button {
      flex: 1;
      text-align: center;
      line-height: 1.4;
      padding: 0;
      margin: 0;
      border-radius: 0;
      font-size: 20rpx;
      color: #333;
      background-color: #fff;
      &::after {
        border: none;
      }
    }
    text {
      display: block;
      font-size: 34rpx;
    }
  }
}
</style>
